Two point charges, q, are placed at the base of an equilaterial triangle. A charge of 2q is place at the top of the triangle. Where should a fourth charge q be placed so that the electric field in the center of the triangle is zero. Note that the center of an equilaterial triangle is equal distance from all vertices in the plane of the triangle. (Please type answer no write by hend)

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A: charge present at origin = 3  C Charge present on x axis = 9 C position of second charge = (18,0) m…

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